1.

The EAN of iron in `[Fe(CN)_(6)]^(3-)` isA. 34B. 36C. 37D. 35

Answer» Correct Answer - D
In `[Fe(N)_(6)]^(3-)`
O.S. of Fe = `+23`
EAN= 23 (for`Fe^(3+)`)`+6 xx 2` (for6 `CN^(-)` ions )
= `23 + 12 = 35`


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